drm/i915: Extract the HSW DDI selection code into its own function

Future platform will slightly change that.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Damien Lespiau 2014-07-29 18:06:18 +01:00 • committed by Daniel Vetter
commit 7d2c81751c